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Finding the Third Proportional to 66,534 and 99,793

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Solution

The third proportional to 66,534 and 99,793 is: 149,677.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,534 : 99,793 = 99,793 : x
  2. Step 2: Convert to fraction form
    66,534/99,793 = 99,793/x
  3. Step 3: Cross multiply
    66,534x = 99,793 × 99,793
  4. Step 4: Simplify right side
    66,534x = 9,958,642,849
  5. Step 5: Solve for x
    x = 9,958,642,849/66,534
  6. Step 6: Final answer
    x = 149,677.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.